| Party | Signature | Provisional application |
RatificationS=Signature without reservation or requirement of ratification R=Ratification, Acceptance, Approval or Notification A=Accession Su=Succession NK=Not Known | Entry into force | Renunciation | Termination |
|---|---|---|---|---|---|---|
| Argentina | 08-04-1959 | 14-10-1959 (R) | 30-12-1959 | |||
| Austria | 09-07-1976 | 10-01-1977 (R) | 10-01-1977 | |||
| Bahamas | 15-12-1977 | 15-12-1977 (R) | 15-12-1977 | |||
| Barbados | 19-03-1969 | 19-03-1969 (R) | 19-03-1969 | |||
| Belgium | 09-07-1976 | 09-07-1976 (R) | 09-07-1976 | |||
| Belize | 28-09-1992 | 28-09-1992 (R) | 28-09-1992 | |||
| Bolivia | 08-04-1959 | 30-12-1959 (R) | 30-12-1959 | |||
| Brazil | 08-04-1959 | 30-12-1959 (R) | 30-12-1959 | |||
| Canada | 03-05-1972 | 03-05-1972 (R) | 03-05-1972 | |||
| Chile | 08-04-1959 | 17-12-1959 (R) | 30-12-1959 | |||
| China | 12-01-2009 | 12-01-2009 (R) | 12-01-2009 | |||
| Colombia | 08-04-1959 | 21-12-1959 (R) | 30-12-1959 | |||
| Costa Rica | 08-04-1959 | 30-12-1959 (R) | 30-12-1959 | |||
| Croatia | 16-12-1993 (Su) | 08-10-1991 | ||||
| Cuba | 08-04-1959 | |||||
| Denmark | 09-07-1976 | 09-07-1976 (R) | 09-07-1976 | |||
| Dominican Republic | 08-04-1959 | 16-12-1959 (R) | 30-12-1959 | |||
| Ecuador | 08-04-1959 | 22-12-1959 (R) | 30-12-1959 | |||
| El Salvador | 08-04-1959 | 29-12-1959 (R) | 30-12-1959 | |||
| Finland | 30-06-1977 | 30-06-1977 (R) | 30-06-1977 | |||
| France | 10-01-1977 | 10-01-1977 (R) | 10-01-1977 | |||
| Germany | 09-07-1976 | 09-07-1976 (R) | 09-07-1976 | |||
| Guatemala | 10-04-1959 | 16-12-1959 (R) | 30-12-1959 | |||
| Guyana | 16-11-1976 | 16-11-1976 (R) | 16-11-1976 | |||
| Haïti | 08-04-1959 | 27-10-1959 (R) | 30-12-1959 | |||
| Honduras | 08-04-1959 | 29-12-1959 (R) | 30-12-1959 | |||
| Israel | 09-07-1976 | 09-07-1976 (R) | 09-07-1976 | |||
| Italy | 26-05-1977 | 26-05-1977 (R) | 26-05-1977 | |||
| Jamaica | 30-12-1969 | 30-12-1969 (R) | 30-12-1969 | |||
| Japan | 09-07-1976 | 09-07-1976 (R) | 09-07-1976 | |||
| Mexico | 16-04-1959 | 30-12-1959 (R) | 30-12-1959 | |||
| Netherlands, the Kingdom of the | 09-07-1976 | 10-01-1977 (R) | 10-01-1977 | |||
| Nicaragua | 08-04-1959 | 29-12-1959 (R) | 30-12-1959 | |||
| Norway | 07-07-1986 | 07-07-1986 (R) | 07-07-1986 | |||
| Panama | 08-04-1959 | 29-12-1959 (R) | 30-12-1959 | |||
| Paraguay | 08-04-1959 | 16-12-1959 (R) | 30-12-1959 | |||
| Peru | 08-04-1959 | 30-12-1959 (R) | 30-12-1959 | |||
| Portugal | 25-03-1980 | 25-03-1980 (R) | 25-03-1980 | |||
| Republic of Korea, the | 16-03-2005 | 16-03-2005 (R) | 16-03-2005 | |||
| Slovenia | 16-12-1993 (Su) | 25-06-1991 | ||||
| Spain | 09-07-1976 | 09-07-1976 (R) | 09-07-1976 | |||
| Suriname | 12-12-1980 | 12-12-1980 (R) | 12-12-1980 | |||
| Sweden | 19-09-1977 | 19-09-1977 (R) | 19-09-1977 | |||
| Switzerland | 09-07-1976 | 09-07-1976 (R) | 09-07-1976 | |||
| Trinidad and Tobago | 10-07-1967 | 10-07-1967 (R) | 10-07-1967 | |||
| United Kingdom | 09-07-1976 | 09-07-1976 (R) | 09-07-1976 | |||
| United States of America | 08-04-1959 | 14-10-1959 (R) | 30-12-1959 | |||
| Uruguay | 08-04-1959 | 12-02-1960 (R) | 12-02-1960 | |||
| Venezuela | 08-04-1959 | 13-02-1960 (R) | 13-02-1960 | |||
| Yugoslavia (< 25-06-1991) | 09-07-1976 | 09-07-1976 (R) | 09-07-1976 |